Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue	$ 17,974	$ 27,923	$ 37,330	$ 50,611
Cost of revenue	16,541	20,271	37,138	36,865
Gross profit	1,433	7,652	192	13,746
Operating expenses:
Selling, general and administrative	5,653	5,779	11,569	12,006
Research and development	2,525	3,758	5,643	6,972
Total operating expenses	8,178	9,537	17,212	18,978
Loss from operations	(6,745)	(1,885)	(17,020)	(5,232)
Interest expense, net	(202)	(282)	(471)	(631)
Gain (loss) from equity method and fair value investments	(171)	598	77	1,488
Other income, net	23	491	377	1,523
Loss before provision for income taxes	(7,095)	(1,078)	(17,037)	(2,852)
Provision for income taxes	579	121	653	395
Net loss	(7,674)	(1,199)	(17,690)	(3,247)
Less: Net (income) loss attributable to noncontrolling interests and redeemable noncontrolling interests	666	(317)	1,884	(352)
Net loss attributable to AXT, Inc.	$ (7,008)	$ (1,516)	$ (15,806)	$ (3,599)
Net loss attributable to AXT, Inc. per common share:
Basic (in dollars per share)	$ (0.16)	$ (0.04)	$ (0.36)	$ (0.09)
Diluted (in dollars per share)	$ (0.16)	$ (0.04)	$ (0.36)	$ (0.09)
Basic (in shares)	43,710	43,092	43,630	43,039
Diluted (in shares)	43,710	43,092	43,630	43,039